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1 Posts

07-18-2011

Irvine, CA

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Re: X220 - fan constantly on / revving up and down

2011-07-18, 17:54 PM

We have three x220 in the company.  Only one unit has high pitched fan noise.  Other two don't have the annoying high pitched whine even when the fan is at maximum speed.  Sending the unit with high pitched fan in for the second time.  I hope they can replace it with a quieter fan this time.  Last time when I sent it in, they only modified the thermal settings (I already updated BIOS to 1.17 and played with thermal settings before I sent it in) but it doesn't solve the problem as my fan goes to maximum speed while working on RAW files under Photoshop.  The fan also revs up and down but it's acceptable for me as long as it doesn't have the high-pitched whine. 

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43 Posts

11-08-2010

Canada

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 8:01 AM

Now this scares me a lot. I'm considering buying a x220i and I don't want an annoyingly whining laptop. What are the real chances of getting a defective fan? Are most machines like that?

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83 Posts

06-14-2011

USA

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 10:18 AM

wrote:

We have three x220 in the company.  Only one unit has high pitched fan noise.  Other two don't have the annoying high pitched whine even when the fan is at maximum speed.  Sending the unit with high pitched fan in for the second time.  I hope they can replace it with a quieter fan this time.


Having access to a unit that does it and a unit that doesn't do it puts one in a somewhat unique position.

 

They could, for example, verify that both machines are configured the same way and then run a test to see how similar the fan speeds are when both units are stressed in the same way (via benchmark program, ThinkVantage System Stress Tool, whatever).  In doing so they could attempt to rule out that the high pitched fan noise is caused by higher fan speeds in some units.

 

They could also, if comfortable doing so, open the units up and attempt to determine whether the fans have the same manufacturer and part numbers.

 



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11 Posts

07-19-2011

Denmark

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 11:29 AM

Hey.

 

I just want to say that I too have an X220 i7 / IPS (Linux), with a very audible high pitched noise from the fan, definitely mechanical. The notebook itself it running extremely cool, and nowhere near as hot as my X61s or T400. I have tried the various bios updates and they didn't really do much 1.16 and 1.17, as logic dicates "A bios update cannot fix a mechanical error!".

 

I called up the service center and they are comming to pick it up today so they can replace the fan, they seemed to know exactly what I was talking about, so that was a comfort. It's too bad however that I wasn't allowed to replace the fan myself as it voids the warranty, so no playing around with that sadly, even though I have the technical skills necessary.

 

I just hope they test out the system properly before returning it to me.

 

 

So back with my X61s with it's silent fan (and crappy screen).

 

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140 Posts

11-24-2007

Upstate New York

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  • Message 545 of 921

Re: X220 - fan constantly on / revving up and down

2011-07-19, 11:32 AM

wrote:
Having access to a unit that does it and a unit that doesn't do it puts one in a somewhat unique position.

 

They could, for example, verify that both machines are configured the same way and then run a test to see how similar the fan speeds are when both units are stressed in the same way (via benchmark program, ThinkVantage System Stress Tool, whatever).  In doing so they could attempt to rule out that the high pitched fan noise is caused by higher fan speeds in some units.

 

They could also, if comfortable doing so, open the units up and attempt to determine whether the fans have the same manufacturer and part numbers.



Seems to me that the best (first) test in that situation would be to physically swap the fans to see if the problem moves. I'd note the fan part numbers as well.
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83 Posts

06-14-2011

USA

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 13:43 PM

The diagrams I've seen make it appear that the fan itself is part of the fan assembly and the arrangement is such that it is NOT possible to replace/swap just the fan itself without disturbing the rest of the fan assembly and in particular the thermal bonds.  Can anyone confirm that or correct that idea?

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7 Posts

07-01-2011

Germany

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 13:58 PM

Is it with your laptops like with this one:

http://www.youtube.com/watch?v=pBVwVlEy19I

 

Or is the one shown on youtube rather a very defective unit?

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11 Posts

07-19-2011

Denmark

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Re: X220 - fan constantly on / revving up and down

2011-07-19, 14:00 PM

wrote:

The diagrams I've seen make it appear that the fan itself is part of the fan assembly and the arrangement is such that it is NOT possible to replace/swap just the fan itself without disturbing the rest of the fan assembly and in particular the thermal bonds.  Can anyone confirm that or correct that idea?


When I talked to them today, they said that you cannot remove the fan without removing the heatsink, which seems to allways be the case with laptops, ultraportables especially.

So removing and altering the fan will void the warranty.

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83 Posts

06-14-2011

USA

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Re: X220 - fan constantly on / revving up and down

2011-07-20, 4:14 AM

I don't think one must remove the fan to test it.  I think they could simply disconnect it from the mainboard and drive it with an external source.  If one swapped whole fan assemblies, they'd be swapping one variable (the fan itself) and also swapping or at least disturbing another variable (heat sink/pipe and thermal bonds).  So they'd have to factor that in.  Such tinkering is not for the average user, but is well within the capabilities of some.

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3538 Posts

07-12-2010

Malaysia

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Re: X220 - fan constantly on / revving up and down

2011-07-20, 9:01 AM

Hi All,

 

New BIOS Fix 1.19.

 

BIOS here

 

Text here

 

--------------------------------------------------------------------------------
CHANGES IN THIS RELEASE
  Version 1.19

[Important updates]
  Nothing.

[New functions or enhancements]
- Improvement for the issue that CPU is unexpectedly fixed to low frequency mode.
- Improved fan control method.

[Problem fixes]
  Nothing  


--------------------------------------------------------------------------------



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